doctype html
html
    head
        title 安全转义
    body
        -var infoText="hello pug!"
        -var infoHtml="<script>alert('ok !')</script>"
        p#{infoText}
        p#{infoHtml}
        //- 或者
        - var infoText="Hello pug!"
        - var infoHtml='<script>alert("ok! ")</script>'
        p=infoText
        p=infoHtml